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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
In one dimensional flow, the flow

Is steady and uniform
Takes place in straight line
Takes place in curve
Takes place in one direction

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Hydraulics and Fluid Mechanics in ME
Which of the following has highest coefficient of discharge ?

CipoUetti weir
sharp edged orifice
venturimeter
Borda’s mouthpiece running full

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Hydraulics and Fluid Mechanics in ME
A flow is called super-sonic if the

None of these
Mach number is between 1 and 6
Velocity of flow is very high
Discharge is difficult to measure

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Hydraulics and Fluid Mechanics in ME
A venturi-flume is used to measure

Pressure of liquid
Discharge of liquid
Pressure difference between two points in a pipe
Pressure difference between two points in a channel

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Hydraulics and Fluid Mechanics in ME
When the flow parameters at any given instant remain same at every point, then flow is said to be

laminar
steady state
quasi static
uniform

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Hydraulics and Fluid Mechanics in ME
For pipes, laminar flow occurs when Reynolds number is

Between 2000 and 4000
Less than 4000
Less than 2000
More than 4000

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